diff options
-rw-r--r-- | default-configs/ppc-softmmu.mak | 4 | ||||
-rw-r--r-- | default-configs/ppc64-softmmu.mak | 3 | ||||
-rw-r--r-- | hw/core/loader.c | 21 | ||||
-rw-r--r-- | hw/misc/macio/cuda.c | 23 | ||||
-rw-r--r-- | hw/misc/macio/macio.c | 19 | ||||
-rw-r--r-- | hw/net/spapr_llan.c | 13 | ||||
-rw-r--r-- | hw/nvram/mac_nvram.c | 70 | ||||
-rw-r--r-- | hw/ppc/mac.h | 4 | ||||
-rw-r--r-- | hw/ppc/mac_newworld.c | 32 | ||||
-rw-r--r-- | hw/ppc/mac_oldworld.c | 20 | ||||
-rw-r--r-- | hw/ppc/spapr.c | 188 | ||||
-rw-r--r-- | hw/ppc/spapr_hcall.c | 22 | ||||
-rw-r--r-- | hw/ppc/spapr_pci.c | 61 | ||||
-rw-r--r-- | hw/ppc/spapr_rtas.c | 15 | ||||
-rw-r--r-- | include/hw/loader.h | 1 | ||||
-rw-r--r-- | include/hw/pci-host/spapr.h | 2 | ||||
-rw-r--r-- | include/hw/ppc/ppc.h | 2 | ||||
-rw-r--r-- | include/hw/ppc/spapr.h | 8 | ||||
-rw-r--r-- | include/sysemu/kvm.h | 2 | ||||
-rw-r--r-- | kvm-all.c | 13 | ||||
-rw-r--r-- | linux-user/signal.c | 184 | ||||
-rw-r--r-- | target-ppc/helper.h | 1 | ||||
-rw-r--r-- | target-ppc/int_helper.c | 19 | ||||
-rw-r--r-- | target-ppc/kvm.c | 371 | ||||
-rw-r--r-- | target-ppc/kvm_ppc.h | 12 | ||||
-rw-r--r-- | target-ppc/translate.c | 123 |
26 files changed, 931 insertions, 302 deletions
diff --git a/default-configs/ppc-softmmu.mak b/default-configs/ppc-softmmu.mak index 33f8d84e68..d725b23312 100644 --- a/default-configs/ppc-softmmu.mak +++ b/default-configs/ppc-softmmu.mak @@ -45,8 +45,8 @@ CONFIG_PREP=y CONFIG_MAC=y CONFIG_E500=y CONFIG_OPENPIC_KVM=$(and $(CONFIG_E500),$(CONFIG_KVM)) +CONFIG_ETSEC=y +CONFIG_LIBDECNUMBER=y # For PReP CONFIG_MC146818RTC=y -CONFIG_ETSEC=y CONFIG_ISA_TESTDEV=y -CONFIG_LIBDECNUMBER=y diff --git a/default-configs/ppc64-softmmu.mak b/default-configs/ppc64-softmmu.mak index 37a15b7ce2..bd30d69347 100644 --- a/default-configs/ppc64-softmmu.mak +++ b/default-configs/ppc64-softmmu.mak @@ -46,6 +46,8 @@ CONFIG_PREP=y CONFIG_MAC=y CONFIG_E500=y CONFIG_OPENPIC_KVM=$(and $(CONFIG_E500),$(CONFIG_KVM)) +CONFIG_ETSEC=y +CONFIG_LIBDECNUMBER=y # For pSeries CONFIG_XICS=$(CONFIG_PSERIES) CONFIG_XICS_KVM=$(and $(CONFIG_PSERIES),$(CONFIG_KVM)) @@ -58,4 +60,3 @@ CONFIG_I82374=y CONFIG_I8257=y CONFIG_MC146818RTC=y CONFIG_ISA_TESTDEV=y -CONFIG_LIBDECNUMBER=y diff --git a/hw/core/loader.c b/hw/core/loader.c index 193f0f8400..597b117db3 100644 --- a/hw/core/loader.c +++ b/hw/core/loader.c @@ -89,6 +89,27 @@ int load_image(const char *filename, uint8_t *addr) return size; } +/* return the size or -1 if error */ +ssize_t load_image_size(const char *filename, void *addr, size_t size) +{ + int fd; + ssize_t actsize; + + fd = open(filename, O_RDONLY | O_BINARY); + if (fd < 0) { + return -1; + } + + actsize = read(fd, addr, size); + if (actsize < 0) { + close(fd); + return -1; + } + close(fd); + + return actsize; +} + /* read()-like version */ ssize_t read_targphys(const char *name, int fd, hwaddr dst_addr, size_t nbytes) diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c index ff6051defe..b4273aa171 100644 --- a/hw/misc/macio/cuda.c +++ b/hw/misc/macio/cuda.c @@ -123,13 +123,22 @@ static void cuda_update_irq(CUDAState *s) } } +static uint64_t get_tb(uint64_t freq) +{ + return muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL), + freq, get_ticks_per_sec()); +} + static unsigned int get_counter(CUDATimer *s) { int64_t d; unsigned int counter; + uint64_t tb_diff; + + /* Reverse of the tb calculation algorithm that Mac OS X uses on bootup. */ + tb_diff = get_tb(s->frequency) - s->load_time; + d = (tb_diff * 0xBF401675E5DULL) / (s->frequency << 24); - d = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - s->load_time, - CUDA_TIMER_FREQ, get_ticks_per_sec()); if (s->index == 0) { /* the timer goes down from latch to -1 (period of latch + 2) */ if (d <= (s->counter_value + 1)) { @@ -147,7 +156,7 @@ static unsigned int get_counter(CUDATimer *s) static void set_counter(CUDAState *s, CUDATimer *ti, unsigned int val) { CUDA_DPRINTF("T%d.counter=%d\n", 1 + (ti->timer == NULL), val); - ti->load_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + ti->load_time = get_tb(s->frequency); ti->counter_value = val; cuda_timer_update(s, ti, ti->load_time); } @@ -688,6 +697,8 @@ static void cuda_realizefn(DeviceState *dev, Error **errp) struct tm tm; s->timers[0].timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, cuda_timer1, s); + s->timers[0].frequency = s->frequency; + s->timers[1].frequency = s->frequency; qemu_get_timedate(&tm, 0); s->tick_offset = (uint32_t)mktimegm(&tm) + RTC_OFFSET; @@ -713,6 +724,11 @@ static void cuda_initfn(Object *obj) DEVICE(obj), "adb.0"); } +static Property cuda_properties[] = { + DEFINE_PROP_UINT64("frequency", CUDAState, frequency, 0), + DEFINE_PROP_END_OF_LIST() +}; + static void cuda_class_init(ObjectClass *oc, void *data) { DeviceClass *dc = DEVICE_CLASS(oc); @@ -720,6 +736,7 @@ static void cuda_class_init(ObjectClass *oc, void *data) dc->realize = cuda_realizefn; dc->reset = cuda_reset; dc->vmsd = &vmstate_cuda; + dc->props = cuda_properties; } static const TypeInfo cuda_type_info = { diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c index 47f45f5d2c..e0f1e88f54 100644 --- a/hw/misc/macio/macio.c +++ b/hw/misc/macio/macio.c @@ -42,6 +42,7 @@ typedef struct MacIOState void *dbdma; MemoryRegion *pic_mem; MemoryRegion *escc_mem; + uint64_t frequency; } MacIOState; #define OLDWORLD_MACIO(obj) \ @@ -243,13 +244,18 @@ static void timer_write(void *opaque, hwaddr addr, uint64_t value, static uint64_t timer_read(void *opaque, hwaddr addr, unsigned size) { uint32_t value = 0; + uint64_t systime = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + uint64_t kltime; + + kltime = muldiv64(systime, 4194300, get_ticks_per_sec() * 4); + kltime = muldiv64(kltime, 18432000, 1048575); switch (addr) { case 0x38: - value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + value = kltime; break; case 0x3c: - value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 32; + value = kltime >> 32; break; } @@ -346,12 +352,19 @@ static void macio_newworld_class_init(ObjectClass *oc, void *data) pdc->device_id = PCI_DEVICE_ID_APPLE_UNI_N_KEYL; } +static Property macio_properties[] = { + DEFINE_PROP_UINT64("frequency", MacIOState, frequency, 0), + DEFINE_PROP_END_OF_LIST() +}; + static void macio_class_init(ObjectClass *klass, void *data) { PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); + DeviceClass *dc = DEVICE_CLASS(klass); k->vendor_id = PCI_VENDOR_ID_APPLE; k->class_id = PCI_CLASS_OTHERS << 8; + dc->props = macio_properties; } static const TypeInfo macio_oldworld_type_info = { @@ -398,6 +411,8 @@ void macio_init(PCIDevice *d, macio_state->escc_mem = escc_mem; /* Note: this code is strongly inspirated from the corresponding code in PearPC */ + qdev_prop_set_uint64(DEVICE(&macio_state->cuda), "frequency", + macio_state->frequency); qdev_init_nofail(DEVICE(d)); } diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c index 2d47df6930..23c47d397c 100644 --- a/hw/net/spapr_llan.c +++ b/hw/net/spapr_llan.c @@ -72,7 +72,14 @@ typedef uint64_t vlan_bd_t; #define VLAN_RXQ_BD_OFF 0 #define VLAN_FILTER_BD_OFF 8 #define VLAN_RX_BDS_OFF 16 -#define VLAN_MAX_BUFS ((SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF) / 8) +/* + * The final 8 bytes of the buffer list is a counter of frames dropped + * because there was not a buffer in the buffer list capable of holding + * the frame. We must avoid it, or the operating system will report garbage + * for this statistic. + */ +#define VLAN_RX_BDS_LEN (SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF - 8) +#define VLAN_MAX_BUFS (VLAN_RX_BDS_LEN / 8) #define TYPE_VIO_SPAPR_VLAN_DEVICE "spapr-vlan" #define VIO_SPAPR_VLAN_DEVICE(obj) \ @@ -119,7 +126,7 @@ static ssize_t spapr_vlan_receive(NetClientState *nc, const uint8_t *buf, do { buf_ptr += 8; - if (buf_ptr >= SPAPR_TCE_PAGE_SIZE) { + if (buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { buf_ptr = VLAN_RX_BDS_OFF; } @@ -397,7 +404,7 @@ static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu, do { dev->add_buf_ptr += 8; - if (dev->add_buf_ptr >= SPAPR_TCE_PAGE_SIZE) { + if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) { dev->add_buf_ptr = VLAN_RX_BDS_OFF; } diff --git a/hw/nvram/mac_nvram.c b/hw/nvram/mac_nvram.c index 170b10b766..d35f8a3121 100644 --- a/hw/nvram/mac_nvram.c +++ b/hw/nvram/mac_nvram.c @@ -26,6 +26,7 @@ #include "hw/nvram/openbios_firmware_abi.h" #include "sysemu/sysemu.h" #include "hw/ppc/mac.h" +#include <zlib.h> /* debug NVR */ //#define DEBUG_NVR @@ -39,29 +40,6 @@ #define DEF_SYSTEM_SIZE 0xc10 -/* Direct access to NVRAM */ -uint8_t macio_nvram_read(MacIONVRAMState *s, uint32_t addr) -{ - uint32_t ret; - - if (addr < s->size) { - ret = s->data[addr]; - } else { - ret = -1; - } - NVR_DPRINTF("read addr %04" PRIx32 " val %" PRIx8 "\n", addr, ret); - - return ret; -} - -void macio_nvram_write(MacIONVRAMState *s, uint32_t addr, uint8_t val) -{ - NVR_DPRINTF("write addr %04" PRIx32 " val %" PRIx8 "\n", addr, val); - if (addr < s->size) { - s->data[addr] = val; - } -} - /* macio style NVRAM device */ static void macio_nvram_writeb(void *opaque, hwaddr addr, uint64_t value, unsigned size) @@ -89,6 +67,10 @@ static uint64_t macio_nvram_readb(void *opaque, hwaddr addr, static const MemoryRegionOps macio_nvram_ops = { .read = macio_nvram_readb, .write = macio_nvram_writeb, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 1, .endianness = DEVICE_BIG_ENDIAN, }; @@ -156,15 +138,16 @@ static void macio_nvram_register_types(void) } /* Set up a system OpenBIOS NVRAM partition */ -void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len) +static void pmac_format_nvram_partition_of(MacIONVRAMState *nvr, int off, + int len) { unsigned int i; - uint32_t start = 0, end; + uint32_t start = off, end; struct OpenBIOS_nvpart_v1 *part_header; // OpenBIOS nvram variables // Variable partition - part_header = (struct OpenBIOS_nvpart_v1 *)nvr->data; + part_header = (struct OpenBIOS_nvpart_v1 *)&nvr->data[start]; part_header->signature = OPENBIOS_PART_SYSTEM; pstrcpy(part_header->name, sizeof(part_header->name), "system"); @@ -192,4 +175,39 @@ void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len) OpenBIOS_finish_partition(part_header, end - start); } +#define OSX_NVRAM_SIGNATURE (0x5A) + +/* Set up a Mac OS X NVRAM partition */ +static void pmac_format_nvram_partition_osx(MacIONVRAMState *nvr, int off, + int len) +{ + uint32_t start = off; + struct OpenBIOS_nvpart_v1 *part_header; + unsigned char *data = &nvr->data[start]; + + /* empty partition */ + part_header = (struct OpenBIOS_nvpart_v1 *)data; + part_header->signature = OSX_NVRAM_SIGNATURE; + pstrcpy(part_header->name, sizeof(part_header->name), "wwwwwwwwwwww"); + + OpenBIOS_finish_partition(part_header, len); + + /* Generation */ + stl_be_p(&data[20], 2); + + /* Adler32 checksum */ + stl_be_p(&data[16], adler32(0, &data[20], len - 20)); +} + +/* Set up NVRAM with OF and OSX partitions */ +void pmac_format_nvram_partition(MacIONVRAMState *nvr, int len) +{ + /* + * Mac OS X expects side "B" of the flash at the second half of NVRAM, + * so we use half of the chip for OF and the other half for a free OSX + * partition. + */ + pmac_format_nvram_partition_of(nvr, 0, len / 2); + pmac_format_nvram_partition_osx(nvr, len / 2, len / 2); +} type_init(macio_nvram_register_types) diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h index c1faf9ce27..aff2b9a566 100644 --- a/hw/ppc/mac.h +++ b/hw/ppc/mac.h @@ -57,6 +57,7 @@ typedef struct CUDATimer { uint16_t counter_value; int64_t load_time; int64_t next_irq_time; + uint64_t frequency; QEMUTimer *timer; } CUDATimer; @@ -97,6 +98,7 @@ typedef struct CUDAState { CUDATimer timers[2]; uint32_t tick_offset; + uint64_t frequency; uint8_t last_b; uint8_t last_acr; @@ -178,6 +180,4 @@ typedef struct MacIONVRAMState { } MacIONVRAMState; void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len); -uint8_t macio_nvram_read(MacIONVRAMState *s, uint32_t addr); -void macio_nvram_write(MacIONVRAMState *s, uint32_t addr, uint8_t val); #endif /* !defined(__PPC_MAC_H__) */ diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 1ec4bb490b..8453bfa284 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -176,6 +176,8 @@ static void ppc_core99_init(MachineState *machine) SysBusDevice *s; DeviceState *dev; int *token = g_new(int, 1); + hwaddr nvram_addr = 0xFFF04000; + uint64_t tbfreq; linux_boot = (kernel_filename != NULL); @@ -372,6 +374,14 @@ static void ppc_core99_init(MachineState *machine) pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io()); machine_arch = ARCH_MAC99; } + + /* Timebase Frequency */ + if (kvm_enabled()) { + tbfreq = kvmppc_get_tbfreq(); + } else { + tbfreq = TBFREQ; + } + /* init basic PC hardware */ escc_mem = escc_init(0, pic[0x25], pic[0x24], serial_hds[0], serial_hds[1], ESCC_CLOCK, 4); @@ -385,6 +395,7 @@ static void ppc_core99_init(MachineState *machine) qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE DMA */ qdev_connect_gpio_out(dev, 3, pic[0x0e]); /* IDE */ qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE DMA */ + qdev_prop_set_uint64(dev, "frequency", tbfreq); macio_init(macio, pic_mem, escc_bar); /* We only emulate 2 out of 3 IDE controllers for now */ @@ -426,11 +437,18 @@ static void ppc_core99_init(MachineState *machine) } /* The NewWorld NVRAM is not located in the MacIO device */ +#ifdef CONFIG_KVM + if (kvm_enabled() && getpagesize() > 4096) { + /* We can't combine read-write and read-only in a single page, so + move the NVRAM out of ROM again for KVM */ + nvram_addr = 0xFFE00000; + } +#endif dev = qdev_create(NULL, TYPE_MACIO_NVRAM); qdev_prop_set_uint32(dev, "size", 0x2000); qdev_prop_set_uint32(dev, "it_shift", 1); qdev_init_nofail(dev); - sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, 0xFFF04000); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, nvram_addr); nvr = MACIO_NVRAM(dev); pmac_format_nvram_partition(nvr, 0x2000); /* No PCI init: the BIOS will do it */ @@ -461,28 +479,34 @@ static void ppc_core99_init(MachineState *machine) #ifdef CONFIG_KVM uint8_t *hypercall; - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); hypercall = g_malloc(16); kvmppc_get_hypercall(env, hypercall, 16); fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); #endif - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, TBFREQ); } + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq); /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ); + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_NVRAM_ADDR, nvram_addr); qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } +static int core99_kvm_type(const char *arg) +{ + /* Always force PR KVM */ + return 2; +} + static QEMUMachine core99_machine = { .name = "mac99", .desc = "Mac99 based PowerMAC", .init = ppc_core99_init, .max_cpus = MAX_CPUS, .default_boot_order = "cd", + .kvm_type = core99_kvm_type, }; static void core99_machine_init(void) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index cd9bdbc53e..630a9f9c36 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -103,6 +103,7 @@ static void ppc_heathrow_init(MachineState *machine) uint16_t ppc_boot_device; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; void *fw_cfg; + uint64_t tbfreq; linux_boot = (kernel_filename != NULL); @@ -250,6 +251,13 @@ static void ppc_heathrow_init(MachineState *machine) } } + /* Timebase Frequency */ + if (kvm_enabled()) { + tbfreq = kvmppc_get_tbfreq(); + } else { + tbfreq = TBFREQ; + } + /* init basic PC hardware */ if (PPC_INPUT(env) != PPC_FLAGS_INPUT_6xx) { hw_error("Only 6xx bus is supported on heathrow machine\n"); @@ -278,6 +286,7 @@ static void ppc_heathrow_init(MachineState *machine) qdev_connect_gpio_out(dev, 2, pic[0x02]); /* IDE-0 DMA */ qdev_connect_gpio_out(dev, 3, pic[0x0E]); /* IDE-1 */ qdev_connect_gpio_out(dev, 4, pic[0x03]); /* IDE-1 DMA */ + qdev_prop_set_uint64(dev, "frequency", tbfreq); macio_init(macio, pic_mem, escc_bar); macio_ide = MACIO_IDE(object_resolve_path_component(OBJECT(macio), @@ -330,15 +339,13 @@ static void ppc_heathrow_init(MachineState *machine) #ifdef CONFIG_KVM uint8_t *hypercall; - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, kvmppc_get_tbfreq()); hypercall = g_malloc(16); kvmppc_get_hypercall(env, hypercall, 16); fw_cfg_add_bytes(fw_cfg, FW_CFG_PPC_KVM_HC, hypercall, 16); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_KVM_PID, getpid()); #endif - } else { - fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, TBFREQ); } + fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_TBFREQ, tbfreq); /* Mac OS X requires a "known good" clock-frequency value; pass it one. */ fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_CLOCKFREQ, CLOCKFREQ); fw_cfg_add_i32(fw_cfg, FW_CFG_PPC_BUSFREQ, BUSFREQ); @@ -346,6 +353,12 @@ static void ppc_heathrow_init(MachineState *machine) qemu_register_boot_set(fw_cfg_boot_set, fw_cfg); } +static int heathrow_kvm_type(const char *arg) +{ + /* Always force PR KVM */ + return 2; +} + static QEMUMachine heathrow_machine = { .name = "g3beige", .desc = "Heathrow based PowerMAC", @@ -355,6 +368,7 @@ static QEMUMachine heathrow_machine = { .is_default = 1, #endif .default_boot_order = "cd", /* TOFIX "cad" when Mac floppy is implemented */ + .kvm_type = heathrow_kvm_type, }; static void heathrow_machine_init(void) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 5cb452f234..2ab4460f04 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -71,6 +71,7 @@ */ #define FDT_MAX_SIZE 0x40000 #define RTAS_MAX_SIZE 0x10000 +#define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ #define FW_MAX_SIZE 0x400000 #define FW_FILE_NAME "slof.bin" #define FW_OVERHEAD 0x2800000 @@ -80,7 +81,7 @@ #define TIMEBASE_FREQ 512000000ULL -#define MAX_CPUS 256 +#define MAX_CPUS 255 #define PHANDLE_XICP 0x00001111 @@ -283,6 +284,19 @@ static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, return (p - prop) * sizeof(uint32_t); } +static hwaddr spapr_node0_size(void) +{ + if (nb_numa_nodes) { + int i; + for (i = 0; i < nb_numa_nodes; ++i) { + if (numa_info[i].node_mem) { + return MIN(pow2floor(numa_info[i].node_mem), ram_size); + } + } + } + return ram_size; +} + #define _FDT(exp) \ do { \ int ret = (exp); \ @@ -319,6 +333,7 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; + char *buf; add_str(hypertas, "hcall-pft"); add_str(hypertas, "hcall-term"); @@ -348,6 +363,29 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); + /* + * Add info to guest to indentify which host is it being run on + * and what is the uuid of the guest + */ + if (kvmppc_get_host_model(&buf)) { + _FDT((fdt_property_string(fdt, "host-model", buf))); + g_free(buf); + } + if (kvmppc_get_host_serial(&buf)) { + _FDT((fdt_property_string(fdt, "host-serial", buf))); + g_free(buf); + } + + buf = g_strdup_printf(UUID_FMT, qemu_uuid[0], qemu_uuid[1], + qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], + qemu_uuid[5], qemu_uuid[6], qemu_uuid[7], + qemu_uuid[8], qemu_uuid[9], qemu_uuid[10], + qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], + qemu_uuid[14], qemu_uuid[15]); + + _FDT((fdt_property_string(fdt, "vm,uuid", buf))); + g_free(buf); + _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); @@ -502,6 +540,15 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); + /* + * According to PAPR, rtas ibm,os-term, does not gaurantee a return + * back to the guest cpu. + * + * While an additional ibm,extended-os-term property indicates that + * rtas call return will always occur. Set this property. + */ + _FDT((fdt_property(fdt, "ibm,extended-os-term", NULL, 0))); + _FDT((fdt_end_node(fdt))); /* interrupt controller */ @@ -597,72 +644,75 @@ int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) return 0; } -static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) +static void spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start, + hwaddr size) { - uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), - cpu_to_be32(0x0), cpu_to_be32(0x0), - cpu_to_be32(0x0)}; + uint32_t associativity[] = { + cpu_to_be32(0x4), /* length */ + cpu_to_be32(0x0), cpu_to_be32(0x0), + cpu_to_be32(0x0), cpu_to_be32(nodeid) + }; char mem_name[32]; - hwaddr node0_size, mem_start, node_size; uint64_t mem_reg_property[2]; - int i, off; + int off; - /* memory node(s) */ - if (nb_numa_nodes > 1 && numa_info[0].node_mem < ram_size) { - node0_size = numa_info[0].node_mem; - } else { - node0_size = ram_size; - } + mem_reg_property[0] = cpu_to_be64(start); + mem_reg_property[1] = cpu_to_be64(size); - /* RMA */ - mem_reg_property[0] = 0; - mem_reg_property[1] = cpu_to_be64(spapr->rma_size); - off = fdt_add_subnode(fdt, 0, "memory@0"); + sprintf(mem_name, "memory@" TARGET_FMT_lx, start); + off = fdt_add_subnode(fdt, 0, mem_name); _FDT(off); _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, sizeof(mem_reg_property)))); _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, sizeof(associativity)))); +} + +static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) +{ + hwaddr mem_start, node_size; + int i, nb_nodes = nb_numa_nodes; + NodeInfo *nodes = numa_info; + NodeInfo ramnode; + + /* No NUMA nodes, assume there is just one node with whole RAM */ + if (!nb_numa_nodes) { + nb_nodes = 1; + ramnode.node_mem = ram_size; + nodes = &ramnode; + } - /* RAM: Node 0 */ - if (node0_size > spapr->rma_size) { - mem_reg_property[0] = cpu_to_be64(spapr->rma_size); - mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); - - sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); - off = fdt_add_subnode(fdt, 0, mem_name); - _FDT(off); - _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); - _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, - sizeof(mem_reg_property)))); - _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, - sizeof(associativity)))); - } - - /* RAM: Node 1 and beyond */ - mem_start = node0_size; - for (i = 1; i < nb_numa_nodes; i++) { - mem_reg_property[0] = cpu_to_be64(mem_start); + for (i = 0, mem_start = 0; i < nb_nodes; ++i) { + if (!nodes[i].node_mem) { + continue; + } if (mem_start >= ram_size) { node_size = 0; } else { - node_size = numa_info[i].node_mem; + node_size = nodes[i].node_mem; if (node_size > ram_size - mem_start) { node_size = ram_size - mem_start; } } - mem_reg_property[1] = cpu_to_be64(node_size); - associativity[3] = associativity[4] = cpu_to_be32(i); - sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); - off = fdt_add_subnode(fdt, 0, mem_name); - _FDT(off); - _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); - _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, - sizeof(mem_reg_property)))); - _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, - sizeof(associativity)))); - mem_start += node_size; + if (!mem_start) { + /* ppc_spapr_init() checks for rma_size <= node0_size already */ + spapr_populate_memory_node(fdt, i, 0, spapr->rma_size); + mem_start += spapr->rma_size; + node_size -= spapr->rma_size; + } + for ( ; node_size; ) { + hwaddr sizetmp = pow2floor(node_size); + + /* mem_start != 0 here */ + if (ctzl(mem_start) < ctzl(sizetmp)) { + sizetmp = 1ULL << ctzl(mem_start); + } + + spapr_populate_memory_node(fdt, i, mem_start, sizetmp); + node_size -= sizetmp; + mem_start += sizetmp; + } } return 0; @@ -746,6 +796,7 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); + g_free(bootlist); g_free(fdt); } @@ -792,25 +843,38 @@ static void spapr_reset_htab(sPAPREnvironment *spapr) /* Update the RMA size if necessary */ if (spapr->vrma_adjust) { - hwaddr node0_size = (nb_numa_nodes > 1) ? - numa_info[0].node_mem : ram_size; - spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); + spapr->rma_size = kvmppc_rma_size(spapr_node0_size(), + spapr->htab_shift); } } static void ppc_spapr_reset(void) { PowerPCCPU *first_ppc_cpu; + uint32_t rtas_limit; /* Reset the hash table & recalc the RMA */ spapr_reset_htab(spapr); qemu_devices_reset(); + /* + * We place the device tree and RTAS just below either the top of the RMA, + * or just below 2GB, whichever is lowere, so that it can be + * processed with 32-bit real mode code if necessary + */ + rtas_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR); + spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; + spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; + /* Load the fdt */ spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, spapr->rtas_size); + /* Copy RTAS over */ + cpu_physical_memory_write(spapr->rtas_addr, spapr->rtas_blob, + spapr->rtas_size); + /* Set up the entry state */ first_ppc_cpu = POWERPC_CPU(first_cpu); first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; @@ -1227,10 +1291,10 @@ static void ppc_spapr_init(MachineState *machine) MemoryRegion *rma_region; void *rma = NULL; hwaddr rma_alloc_size; - hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size; + hwaddr node0_size = spapr_node0_size(); uint32_t initrd_base = 0; long kernel_size = 0, initrd_size = 0; - long load_limit, rtas_limit, fw_size; + long load_limit, fw_size; bool kernel_le = false; char *filename; @@ -1275,13 +1339,8 @@ static void ppc_spapr_init(MachineState *machine) exit(1); } - /* We place the device tree and RTAS just below either the top of the RMA, - * or just below 2GB, whichever is lowere, so that it can be - * processed with 32-bit real mode code if necessary */ - rtas_limit = MIN(spapr->rma_size, 0x80000000); - spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; - spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; - load_limit = spapr->fdt_addr - FW_OVERHEAD; + /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */ + load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD; /* We aim for a hash table of size 1/128 the size of RAM. The * normal rule of thumb is 1/64 the size of RAM, but that's much @@ -1349,14 +1408,14 @@ static void ppc_spapr_init(MachineState *machine) } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); - spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, - rtas_limit - spapr->rtas_addr); - if (spapr->rtas_size < 0) { + spapr->rtas_size = get_image_size(filename); + spapr->rtas_blob = g_malloc(spapr->rtas_size); + if (load_image_size(filename, spapr->rtas_blob, spapr->rtas_size) < 0) { hw_error("qemu: could not load LPAR rtas '%s'\n", filename); exit(1); } if (spapr->rtas_size > RTAS_MAX_SIZE) { - hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", + hw_error("RTAS too big ! 0x%zx bytes (max is 0x%x)\n", spapr->rtas_size, RTAS_MAX_SIZE); exit(1); } @@ -1378,7 +1437,6 @@ static void ppc_spapr_init(MachineState *machine) spapr_create_nvram(spapr); /* Set up PCI */ - spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); spapr_pci_rtas_init(); phb = spapr_create_phb(spapr, 0); diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 467858ce05..86514472fe 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -712,10 +712,10 @@ static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, return H_SUCCESS; } -static target_ulong h_set_mode_resouce_le(PowerPCCPU *cpu, - target_ulong mflags, - target_ulong value1, - target_ulong value2) +static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu, + target_ulong mflags, + target_ulong value1, + target_ulong value2) { CPUState *cs; @@ -743,10 +743,10 @@ static target_ulong h_set_mode_resouce_le(PowerPCCPU *cpu, return H_UNSUPPORTED_FLAG; } -static target_ulong h_set_mode_resouce_addr_trans_mode(PowerPCCPU *cpu, - target_ulong mflags, - target_ulong value1, - target_ulong value2) +static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu, + target_ulong mflags, + target_ulong value1, + target_ulong value2) { CPUState *cs; PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); @@ -794,11 +794,11 @@ static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr, switch (resource) { case H_SET_MODE_RESOURCE_LE: - ret = h_set_mode_resouce_le(cpu, args[0], args[2], args[3]); + ret = h_set_mode_resource_le(cpu, args[0], args[2], args[3]); break; case H_SET_MODE_RESOURCE_ADDR_TRANS_MODE: - ret = h_set_mode_resouce_addr_trans_mode(cpu, args[0], - args[2], args[3]); + ret = h_set_mode_resource_addr_trans_mode(cpu, args[0], + args[2], args[3]); break; } diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 9ed39a93b7..ad0da7fdc4 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -262,7 +262,6 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr, unsigned int irq, max_irqs = 0, num = 0; sPAPRPHBState *phb = NULL; PCIDevice *pdev = NULL; - bool msix = false; spapr_pci_msi *msi; int *config_addr_key; @@ -300,7 +299,12 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr, } xics_free(spapr->icp, msi->first_irq, msi->num); - spapr_msi_setmsg(pdev, 0, msix, 0, num); + if (msi_present(pdev)) { + spapr_msi_setmsg(pdev, 0, false, 0, num); + } + if (msix_present(pdev)) { + spapr_msi_setmsg(pdev, 0, true, 0, num); + } g_hash_table_remove(phb->msi, &config_addr); trace_spapr_pci_msi("Released MSIs", config_addr); @@ -341,7 +345,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr, } /* Setup MSI/MSIX vectors in the device (via cfgspace or MSIX BAR) */ - spapr_msi_setmsg(pdev, spapr->msi_win_addr, ret_intr_type == RTAS_TYPE_MSIX, + spapr_msi_setmsg(pdev, SPAPR_PCI_MSI_WINDOW, ret_intr_type == RTAS_TYPE_MSIX, irq, req_num); /* Add MSI device to cache */ @@ -465,34 +469,6 @@ static const MemoryRegionOps spapr_msi_ops = { .endianness = DEVICE_LITTLE_ENDIAN }; -void spapr_pci_msi_init(sPAPREnvironment *spapr, hwaddr addr) -{ - uint64_t window_size = 4096; - - /* - * As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors, - * we need to allocate some memory to catch those writes coming - * from msi_notify()/msix_notify(). - * As MSIMessage:addr is going to be the same and MSIMessage:data - * is going to be a VIRQ number, 4 bytes of the MSI MR will only - * be used. - * - * For KVM we want to ensure that this memory is a full page so that - * our memory slot is of page size granularity. - */ -#ifdef CONFIG_KVM - if (kvm_enabled()) { - window_size = getpagesize(); - } -#endif - - spapr->msi_win_addr = addr; - memory_region_init_io(&spapr->msiwindow, NULL, &spapr_msi_ops, spapr, - "msi", window_size); - memory_region_add_subregion(get_system_memory(), spapr->msi_win_addr, - &spapr->msiwindow); -} - /* * PHB PCI device */ @@ -512,6 +488,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) char *namebuf; int i; PCIBus *bus; + uint64_t msi_window_size = 4096; if (sphb->index != -1) { hwaddr windows_base; @@ -604,6 +581,28 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp) address_space_init(&sphb->iommu_as, &sphb->iommu_root, sphb->dtbusname); + /* + * As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors, + * we need to allocate some memory to catch those writes coming + * from msi_notify()/msix_notify(). + * As MSIMessage:addr is going to be the same and MSIMessage:data + * is going to be a VIRQ number, 4 bytes of the MSI MR will only + * be used. + * + * For KVM we want to ensure that this memory is a full page so that + * our memory slot is of page size granularity. + */ +#ifdef CONFIG_KVM + if (kvm_enabled()) { + msi_window_size = getpagesize(); + } +#endif + + memory_region_init_io(&sphb->msiwindow, NULL, &spapr_msi_ops, spapr, + "msi", msi_window_size); + memory_region_add_subregion(&sphb->iommu_root, SPAPR_PCI_MSI_WINDOW, + &sphb->msiwindow); + pci_setup_iommu(bus, spapr_pci_dma_iommu, sphb); pci_bus_set_route_irq_fn(bus, spapr_route_intx_pin_to_irq); diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 9ba1ba69f9..2ec2a8e4d1 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -277,6 +277,19 @@ static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu, rtas_st(rets, 0, ret); } +static void rtas_ibm_os_term(PowerPCCPU *cpu, + sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, + uint32_t nret, target_ulong rets) +{ + target_ulong ret = 0; + + qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort); + + rtas_st(rets, 0, ret); +} + static struct rtas_call { const char *name; spapr_rtas_fn fn; @@ -404,6 +417,8 @@ static void core_rtas_register_types(void) spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER, "ibm,set-system-parameter", rtas_ibm_set_system_parameter); + spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term", + rtas_ibm_os_term); } type_init(core_rtas_register_types) diff --git a/include/hw/loader.h b/include/hw/loader.h index 00c9117ee0..9190387b8e 100644 --- a/include/hw/loader.h +++ b/include/hw/loader.h @@ -13,6 +13,7 @@ */ int get_image_size(const char *filename); int load_image(const char *filename, uint8_t *addr); /* deprecated */ +ssize_t load_image_size(const char *filename, void *addr, size_t size); int load_image_targphys(const char *filename, hwaddr, uint64_t max_sz); int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz); diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index 32f0aa7d10..4ea2a0d14a 100644 --- a/include/hw/pci-host/spapr.h +++ b/include/hw/pci-host/spapr.h @@ -70,7 +70,7 @@ struct sPAPRPHBState { MemoryRegion memspace, iospace; hwaddr mem_win_addr, mem_win_size, io_win_addr, io_win_size; - MemoryRegion memwindow, iowindow; + MemoryRegion memwindow, iowindow, msiwindow; uint32_t dma_liobn; AddressSpace iommu_as; diff --git a/include/hw/ppc/ppc.h b/include/hw/ppc/ppc.h index 7e16e2e06c..14efd0ca31 100644 --- a/include/hw/ppc/ppc.h +++ b/include/hw/ppc/ppc.h @@ -92,7 +92,7 @@ enum { #define FW_CFG_PPC_IS_KVM (FW_CFG_ARCH_LOCAL + 0x05) #define FW_CFG_PPC_KVM_HC (FW_CFG_ARCH_LOCAL + 0x06) #define FW_CFG_PPC_KVM_PID (FW_CFG_ARCH_LOCAL + 0x07) -/* OpenBIOS has FW_CFG_PPC_NVRAM_ADDR as +0x08 */ +#define FW_CFG_PPC_NVRAM_ADDR (FW_CFG_ARCH_LOCAL + 0x08) #define FW_CFG_PPC_BUSFREQ (FW_CFG_ARCH_LOCAL + 0x09) #define PPC_SERIAL_MM_BAUDBASE 399193 diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index bbba51a703..749daf4dd7 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -13,8 +13,6 @@ struct sPAPRNVRAM; typedef struct sPAPREnvironment { struct VIOsPAPRBus *vio_bus; QLIST_HEAD(, sPAPRPHBState) phbs; - hwaddr msi_win_addr; - MemoryRegion msiwindow; struct sPAPRNVRAM *nvram; XICSState *icp; @@ -24,7 +22,8 @@ typedef struct sPAPREnvironment { hwaddr rma_size; int vrma_adjust; hwaddr fdt_addr, rtas_addr; - long rtas_size; + ssize_t rtas_size; + void *rtas_blob; void *fdt_skel; target_ulong entry_point; uint64_t rtc_offset; @@ -382,9 +381,8 @@ int spapr_allocate_irq_block(int num, bool lsi, bool msi); #define RTAS_GET_SENSOR_STATE (RTAS_TOKEN_BASE + 0x1D) #define RTAS_IBM_CONFIGURE_CONNECTOR (RTAS_TOKEN_BASE + 0x1E) #define RTAS_IBM_OS_TERM (RTAS_TOKEN_BASE + 0x1F) -#define RTAS_IBM_EXTENDED_OS_TERM (RTAS_TOKEN_BASE + 0x20) -#define RTAS_TOKEN_MAX (RTAS_TOKEN_BASE + 0x21) +#define RTAS_TOKEN_MAX (RTAS_TOKEN_BASE + 0x20) /* RTAS ibm,get-system-parameter token values */ #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS 20 diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 174ea36afa..d2000af9c3 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -303,6 +303,8 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cpu); int kvm_check_extension(KVMState *s, unsigned int extension); +int kvm_vm_check_extension(KVMState *s, unsigned int extension); + #define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ ({ \ struct kvm_enable_cap cap = { \ @@ -493,6 +493,19 @@ int kvm_check_extension(KVMState *s, unsigned int extension) return ret; } +int kvm_vm_check_extension(KVMState *s, unsigned int extension) +{ + int ret; + + ret = kvm_vm_ioctl(s, KVM_CHECK_EXTENSION, extension); + if (ret < 0) { + /* VM wide version not implemented, use global one instead */ + ret = kvm_check_extension(s, extension); + } + + return ret; +} + static int kvm_set_ioeventfd_mmio(int fd, hwaddr addr, uint32_t val, bool assign, uint32_t size, bool datamatch) { diff --git a/linux-user/signal.c b/linux-user/signal.c index 26929c59de..e11b20887e 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -4325,15 +4325,7 @@ badframe: return 0; } -#elif defined(TARGET_PPC) && !defined(TARGET_PPC64) - -/* FIXME: Many of the structures are defined for both PPC and PPC64, but - the signal handling is different enough that we haven't implemented - support for PPC64 yet. Hence the restriction above. - - There are various #if'd blocks for code for TARGET_PPC64. These - blocks should go away so that we can successfully run 32-bit and - 64-bit binaries on a QEMU configured for PPC64. */ +#elif defined(TARGET_PPC) /* Size of dummy stack frame allocated when calling signal handler. See arch/powerpc/include/asm/ptrace.h. */ @@ -4343,6 +4335,33 @@ badframe: #define SIGNAL_FRAMESIZE 64 #endif +/* See arch/powerpc/include/asm/ucontext.h. Only used for 32-bit PPC; + on 64-bit PPC, sigcontext and mcontext are one and the same. */ +struct target_mcontext { + target_ulong mc_gregs[48]; + /* Includes fpscr. */ + uint64_t mc_fregs[33]; + target_ulong mc_pad[2]; + /* We need to handle Altivec and SPE at the same time, which no + kernel needs to do. Fortunately, the kernel defines this bit to + be Altivec-register-large all the time, rather than trying to + twiddle it based on the specific platform. */ + union { + /* SPE vector registers. One extra for SPEFSCR. */ + uint32_t spe[33]; + /* Altivec vector registers. The packing of VSCR and VRSAVE + varies depending on whether we're PPC64 or not: PPC64 splits + them apart; PPC32 stuffs them together. */ +#if defined(TARGET_PPC64) +#define QEMU_NVRREG 34 +#else +#define QEMU_NVRREG 33 +#endif + ppc_avr_t altivec[QEMU_NVRREG]; +#undef QEMU_NVRREG + } mc_vregs __attribute__((__aligned__(16))); +}; + /* See arch/powerpc/include/asm/sigcontext.h. */ struct target_sigcontext { target_ulong _unused[4]; @@ -4353,7 +4372,9 @@ struct target_sigcontext { target_ulong handler; target_ulong oldmask; target_ulong regs; /* struct pt_regs __user * */ - /* TODO: PPC64 includes extra bits here. */ +#if defined(TARGET_PPC64) + struct target_mcontext mcontext; +#endif }; /* Indices for target_mcontext.mc_gregs, below. @@ -4408,32 +4429,6 @@ enum { TARGET_PT_REGS_COUNT = 44 }; -/* See arch/powerpc/include/asm/ucontext.h. Only used for 32-bit PPC; - on 64-bit PPC, sigcontext and mcontext are one and the same. */ -struct target_mcontext { - target_ulong mc_gregs[48]; - /* Includes fpscr. */ - uint64_t mc_fregs[33]; - target_ulong mc_pad[2]; - /* We need to handle Altivec and SPE at the same time, which no - kernel needs to do. Fortunately, the kernel defines this bit to - be Altivec-register-large all the time, rather than trying to - twiddle it based on the specific platform. */ - union { - /* SPE vector registers. One extra for SPEFSCR. */ - uint32_t spe[33]; - /* Altivec vector registers. The packing of VSCR and VRSAVE - varies depending on whether we're PPC64 or not: PPC64 splits - them apart; PPC32 stuffs them together. */ -#if defined(TARGET_PPC64) -#define QEMU_NVRREG 34 -#else -#define QEMU_NVRREG 33 -#endif - ppc_avr_t altivec[QEMU_NVRREG]; -#undef QEMU_NVRREG - } mc_vregs __attribute__((__aligned__(16))); -}; struct target_ucontext { target_ulong tuc_flags; @@ -4447,7 +4442,7 @@ struct target_ucontext { target_sigset_t tuc_sigmask; #if defined(TARGET_PPC64) target_sigset_t unused[15]; /* Allow for uc_sigmask growth */ - struct target_sigcontext tuc_mcontext; + struct target_sigcontext tuc_sigcontext; #else int32_t tuc_maskext[30]; int32_t tuc_pad2[3]; @@ -4462,12 +4457,41 @@ struct target_sigframe { int32_t abigap[56]; }; +#if defined(TARGET_PPC64) + +#define TARGET_TRAMP_SIZE 6 + +struct target_rt_sigframe { + /* sys_rt_sigreturn requires the ucontext be the first field */ + struct target_ucontext uc; + target_ulong _unused[2]; + uint32_t trampoline[TARGET_TRAMP_SIZE]; + target_ulong pinfo; /* struct siginfo __user * */ + target_ulong puc; /* void __user * */ + struct target_siginfo info; + /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */ + char abigap[288]; +} __attribute__((aligned(16))); + +#else + struct target_rt_sigframe { struct target_siginfo info; struct target_ucontext uc; int32_t abigap[56]; }; +#endif + +#if defined(TARGET_PPC64) + +struct target_func_ptr { + target_ulong entry; + target_ulong toc; +}; + +#endif + /* We use the mc_pad field for the signal return trampoline. */ #define tramp mc_pad @@ -4491,8 +4515,7 @@ static target_ulong get_sigframe(struct target_sigaction *ka, return newsp; } -static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame, - int sigret) +static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame) { target_ulong msr = env->msr; int i; @@ -4559,11 +4582,14 @@ static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame, /* Store MSR. */ __put_user(msr, &frame->mc_gregs[TARGET_PT_MSR]); +} +static void encode_trampoline(int sigret, uint32_t *tramp) +{ /* Set up the sigreturn trampoline: li r0,sigret; sc. */ if (sigret) { - __put_user(0x38000000UL | sigret, &frame->tramp[0]); - __put_user(0x44000002UL, &frame->tramp[1]); + __put_user(0x38000000 | sigret, &tramp[0]); + __put_user(0x44000002, &tramp[1]); } } @@ -4655,6 +4681,9 @@ static void setup_frame(int sig, struct target_sigaction *ka, target_ulong frame_addr, newsp; int err = 0; int signal; +#if defined(TARGET_PPC64) + struct image_info *image = ((TaskState *)thread_cpu->opaque)->info; +#endif frame_addr = get_sigframe(ka, env, sizeof(*frame)); if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1)) @@ -4665,7 +4694,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, __put_user(ka->_sa_handler, &sc->handler); __put_user(set->sig[0], &sc->oldmask); -#if defined(TARGET_PPC64) +#if TARGET_ABI_BITS == 64 __put_user(set->sig[0] >> 32, &sc->_unused[3]); #else __put_user(set->sig[1], &sc->_unused[3]); @@ -4674,7 +4703,10 @@ static void setup_frame(int sig, struct target_sigaction *ka, __put_user(sig, &sc->signal); /* Save user regs. */ - save_user_regs(env, &frame->mctx, TARGET_NR_sigreturn); + save_user_regs(env, &frame->mctx); + + /* Construct the trampoline code on the stack. */ + encode_trampoline(TARGET_NR_sigreturn, (uint32_t *)&frame->mctx.tramp); /* The kernel checks for the presence of a VDSO here. We don't emulate a vdso, so use a sigreturn system call. */ @@ -4694,7 +4726,24 @@ static void setup_frame(int sig, struct target_sigaction *ka, env->gpr[1] = newsp; env->gpr[3] = signal; env->gpr[4] = frame_addr + offsetof(struct target_sigframe, sctx); + +#if defined(TARGET_PPC64) + if (get_ppc64_abi(image) < 2) { + /* ELFv1 PPC64 function pointers are pointers to OPD entries. */ + struct target_func_ptr *handler = + (struct target_func_ptr *)g2h(ka->_sa_handler); + env->nip = tswapl(handler->entry); + env->gpr[2] = tswapl(handler->toc); + } else { + /* ELFv2 PPC64 function pointers are entry points, but R12 + * must also be set */ + env->nip = tswapl((target_ulong) ka->_sa_handler); + env->gpr[12] = env->nip; + } +#else env->nip = (target_ulong) ka->_sa_handler; +#endif + /* Signal handlers are entered in big-endian mode. */ env->msr &= ~MSR_LE; @@ -4712,10 +4761,14 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, target_sigset_t *set, CPUPPCState *env) { struct target_rt_sigframe *rt_sf; - struct target_mcontext *frame; + uint32_t *trampptr = 0; + struct target_mcontext *mctx = 0; target_ulong rt_sf_addr, newsp = 0; int i, err = 0; int signal; +#if defined(TARGET_PPC64) + struct image_info *image = ((TaskState *)thread_cpu->opaque)->info; +#endif rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf)); if (!lock_user_struct(VERIFY_WRITE, rt_sf, rt_sf_addr, 1)) @@ -4733,25 +4786,35 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, &rt_sf->uc.tuc_stack.ss_flags); __put_user(target_sigaltstack_used.ss_size, &rt_sf->uc.tuc_stack.ss_size); +#if !defined(TARGET_PPC64) __put_user(h2g (&rt_sf->uc.tuc_mcontext), &rt_sf->uc.tuc_regs); +#endif for(i = 0; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &rt_sf->uc.tuc_sigmask.sig[i]); } - frame = &rt_sf->uc.tuc_mcontext; - save_user_regs(env, frame, TARGET_NR_rt_sigreturn); +#if defined(TARGET_PPC64) + mctx = &rt_sf->uc.tuc_sigcontext.mcontext; + trampptr = &rt_sf->trampoline[0]; +#else + mctx = &rt_sf->uc.tuc_mcontext; + trampptr = (uint32_t *)&rt_sf->uc.tuc_mcontext.tramp; +#endif + + save_user_regs(env, mctx); + encode_trampoline(TARGET_NR_rt_sigreturn, trampptr); /* The kernel checks for the presence of a VDSO here. We don't emulate a vdso, so use a sigreturn system call. */ - env->lr = (target_ulong) h2g(frame->tramp); + env->lr = (target_ulong) h2g(trampptr); /* Turn off all fp exceptions. */ env->fpscr = 0; /* Create a stack frame for the caller of the handler. */ newsp = rt_sf_addr - (SIGNAL_FRAMESIZE + 16); - __put_user(env->gpr[1], (target_ulong *)(uintptr_t) newsp); + err |= put_user(env->gpr[1], newsp, target_ulong); if (err) goto sigsegv; @@ -4762,7 +4825,24 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, env->gpr[4] = (target_ulong) h2g(&rt_sf->info); env->gpr[5] = (target_ulong) h2g(&rt_sf->uc); env->gpr[6] = (target_ulong) h2g(rt_sf); + +#if defined(TARGET_PPC64) + if (get_ppc64_abi(image) < 2) { + /* ELFv1 PPC64 function pointers are pointers to OPD entries. */ + struct target_func_ptr *handler = + (struct target_func_ptr *)g2h(ka->_sa_handler); + env->nip = tswapl(handler->entry); + env->gpr[2] = tswapl(handler->toc); + } else { + /* ELFv2 PPC64 function pointers are entry points, but R12 + * must also be set */ + env->nip = tswapl((target_ulong) ka->_sa_handler); + env->gpr[12] = env->nip; + } +#else env->nip = (target_ulong) ka->_sa_handler; +#endif + /* Signal handlers are entered in big-endian mode. */ env->msr &= ~MSR_LE; @@ -4789,7 +4869,7 @@ long do_sigreturn(CPUPPCState *env) goto sigsegv; #if defined(TARGET_PPC64) - set.sig[0] = sc->oldmask + ((long)(sc->_unused[3]) << 32); + set.sig[0] = sc->oldmask + ((uint64_t)(sc->_unused[3]) << 32); #else __get_user(set.sig[0], &sc->oldmask); __get_user(set.sig[1], &sc->_unused[3]); @@ -4827,10 +4907,11 @@ static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig) return 1; #if defined(TARGET_PPC64) - fprintf (stderr, "do_setcontext: not implemented\n"); - return 0; + mcp_addr = h2g(ucp) + + offsetof(struct target_ucontext, tuc_sigcontext.mcontext); #else __get_user(mcp_addr, &ucp->tuc_regs); +#endif if (!lock_user_struct(VERIFY_READ, mcp, mcp_addr, 1)) return 1; @@ -4841,7 +4922,6 @@ static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig) unlock_user_struct(mcp, mcp_addr, 1); return 0; -#endif } long do_rt_sigreturn(CPUPPCState *env) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 509eae52ff..0cfdc8ab8f 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -28,7 +28,6 @@ DEF_HELPER_2(icbi, void, env, tl) DEF_HELPER_5(lscbx, tl, env, tl, i32, i32, i32) #if defined(TARGET_PPC64) -DEF_HELPER_3(mulldo, i64, env, i64, i64) DEF_HELPER_4(divdeu, i64, env, i64, i64, i32) DEF_HELPER_4(divde, i64, env, i64, i64, i32) #endif diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index f6e8846707..713d777076 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -24,23 +24,6 @@ #include "helper_regs.h" /*****************************************************************************/ /* Fixed point operations helpers */ -#if defined(TARGET_PPC64) - -uint64_t helper_mulldo(CPUPPCState *env, uint64_t arg1, uint64_t arg2) -{ - int64_t th; - uint64_t tl; - - muls64(&tl, (uint64_t *)&th, arg1, arg2); - /* If th != 0 && th != -1, then we had an overflow */ - if (likely((uint64_t)(th + 1) <= 1)) { - env->ov = 0; - } else { - env->so = env->ov = 1; - } - return (int64_t)tl; -} -#endif target_ulong helper_divweu(CPUPPCState *env, target_ulong ra, target_ulong rb, uint32_t oe) @@ -238,7 +221,7 @@ target_ulong helper_srad(CPUPPCState *env, target_ulong value, if (likely((uint64_t)shift != 0)) { shift &= 0x3f; ret = (int64_t)value >> shift; - if (likely(ret >= 0 || (value & ((1 << shift) - 1)) == 0)) { + if (likely(ret >= 0 || (value & ((1ULL << shift) - 1)) == 0)) { env->ca = 0; } else { env->ca = 1; diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 42718f77ae..9c23c6ba0d 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -38,6 +38,7 @@ #include "hw/ppc/ppc.h" #include "sysemu/watchdog.h" #include "trace.h" +#include "exec/gdbstub.h" //#define DEBUG_KVM @@ -72,6 +73,8 @@ static int cap_papr; static int cap_htab_fd; static int cap_fixup_hcalls; +static uint32_t debug_inst_opcode; + /* XXX We have a race condition where we actually have a level triggered * interrupt, but the infrastructure can't expose that yet, so the guest * takes but ignores it, goes to sleep and never gets notified that there's @@ -410,6 +413,38 @@ unsigned long kvm_arch_vcpu_id(CPUState *cpu) return ppc_get_vcpu_dt_id(POWERPC_CPU(cpu)); } +/* e500 supports 2 h/w breakpoint and 2 watchpoint. + * book3s supports only 1 watchpoint, so array size + * of 4 is sufficient for now. + */ +#define MAX_HW_BKPTS 4 + +static struct HWBreakpoint { + target_ulong addr; + int type; +} hw_debug_points[MAX_HW_BKPTS]; + +static CPUWatchpoint hw_watchpoint; + +/* Default there is no breakpoint and watchpoint supported */ +static int max_hw_breakpoint; +static int max_hw_watchpoint; +static int nb_hw_breakpoint; +static int nb_hw_watchpoint; + +static void kvmppc_hw_debug_points_init(CPUPPCState *cenv) +{ + if (cenv->excp_model == POWERPC_EXCP_BOOKE) { + max_hw_breakpoint = 2; + max_hw_watchpoint = 2; + } + + if ((max_hw_breakpoint + max_hw_watchpoint) > MAX_HW_BKPTS) { + fprintf(stderr, "Error initializing h/w breakpoints\n"); + return; + } +} + int kvm_arch_init_vcpu(CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -436,6 +471,9 @@ int kvm_arch_init_vcpu(CPUState *cs) break; } + kvm_get_one_reg(cs, KVM_REG_PPC_DEBUG_INST, &debug_inst_opcode); + kvmppc_hw_debug_points_init(cenv); + return ret; } @@ -899,6 +937,11 @@ int kvm_arch_put_registers(CPUState *cs, int level) return ret; } +static void kvm_sync_excp(CPUPPCState *env, int vector, int ivor) +{ + env->excp_vectors[vector] = env->spr[ivor] + env->spr[SPR_BOOKE_IVPR]; +} + int kvm_arch_get_registers(CPUState *cs) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -981,35 +1024,57 @@ int kvm_arch_get_registers(CPUState *cs) if (sregs.u.e.features & KVM_SREGS_E_IVOR) { env->spr[SPR_BOOKE_IVOR0] = sregs.u.e.ivor_low[0]; + kvm_sync_excp(env, POWERPC_EXCP_CRITICAL, SPR_BOOKE_IVOR0); env->spr[SPR_BOOKE_IVOR1] = sregs.u.e.ivor_low[1]; + kvm_sync_excp(env, POWERPC_EXCP_MCHECK, SPR_BOOKE_IVOR1); env->spr[SPR_BOOKE_IVOR2] = sregs.u.e.ivor_low[2]; + kvm_sync_excp(env, POWERPC_EXCP_DSI, SPR_BOOKE_IVOR2); env->spr[SPR_BOOKE_IVOR3] = sregs.u.e.ivor_low[3]; + kvm_sync_excp(env, POWERPC_EXCP_ISI, SPR_BOOKE_IVOR3); env->spr[SPR_BOOKE_IVOR4] = sregs.u.e.ivor_low[4]; + kvm_sync_excp(env, POWERPC_EXCP_EXTERNAL, SPR_BOOKE_IVOR4); env->spr[SPR_BOOKE_IVOR5] = sregs.u.e.ivor_low[5]; + kvm_sync_excp(env, POWERPC_EXCP_ALIGN, SPR_BOOKE_IVOR5); env->spr[SPR_BOOKE_IVOR6] = sregs.u.e.ivor_low[6]; + kvm_sync_excp(env, POWERPC_EXCP_PROGRAM, SPR_BOOKE_IVOR6); env->spr[SPR_BOOKE_IVOR7] = sregs.u.e.ivor_low[7]; + kvm_sync_excp(env, POWERPC_EXCP_FPU, SPR_BOOKE_IVOR7); env->spr[SPR_BOOKE_IVOR8] = sregs.u.e.ivor_low[8]; + kvm_sync_excp(env, POWERPC_EXCP_SYSCALL, SPR_BOOKE_IVOR8); env->spr[SPR_BOOKE_IVOR9] = sregs.u.e.ivor_low[9]; + kvm_sync_excp(env, POWERPC_EXCP_APU, SPR_BOOKE_IVOR9); env->spr[SPR_BOOKE_IVOR10] = sregs.u.e.ivor_low[10]; + kvm_sync_excp(env, POWERPC_EXCP_DECR, SPR_BOOKE_IVOR10); env->spr[SPR_BOOKE_IVOR11] = sregs.u.e.ivor_low[11]; + kvm_sync_excp(env, POWERPC_EXCP_FIT, SPR_BOOKE_IVOR11); env->spr[SPR_BOOKE_IVOR12] = sregs.u.e.ivor_low[12]; + kvm_sync_excp(env, POWERPC_EXCP_WDT, SPR_BOOKE_IVOR12); env->spr[SPR_BOOKE_IVOR13] = sregs.u.e.ivor_low[13]; + kvm_sync_excp(env, POWERPC_EXCP_DTLB, SPR_BOOKE_IVOR13); env->spr[SPR_BOOKE_IVOR14] = sregs.u.e.ivor_low[14]; + kvm_sync_excp(env, POWERPC_EXCP_ITLB, SPR_BOOKE_IVOR14); env->spr[SPR_BOOKE_IVOR15] = sregs.u.e.ivor_low[15]; + kvm_sync_excp(env, POWERPC_EXCP_DEBUG, SPR_BOOKE_IVOR15); if (sregs.u.e.features & KVM_SREGS_E_SPE) { env->spr[SPR_BOOKE_IVOR32] = sregs.u.e.ivor_high[0]; + kvm_sync_excp(env, POWERPC_EXCP_SPEU, SPR_BOOKE_IVOR32); env->spr[SPR_BOOKE_IVOR33] = sregs.u.e.ivor_high[1]; + kvm_sync_excp(env, POWERPC_EXCP_EFPDI, SPR_BOOKE_IVOR33); env->spr[SPR_BOOKE_IVOR34] = sregs.u.e.ivor_high[2]; + kvm_sync_excp(env, POWERPC_EXCP_EFPRI, SPR_BOOKE_IVOR34); } if (sregs.u.e.features & KVM_SREGS_E_PM) { env->spr[SPR_BOOKE_IVOR35] = sregs.u.e.ivor_high[3]; + kvm_sync_excp(env, POWERPC_EXCP_EPERFM, SPR_BOOKE_IVOR35); } if (sregs.u.e.features & KVM_SREGS_E_PC) { env->spr[SPR_BOOKE_IVOR36] = sregs.u.e.ivor_high[4]; + kvm_sync_excp(env, POWERPC_EXCP_DOORI, SPR_BOOKE_IVOR36); env->spr[SPR_BOOKE_IVOR37] = sregs.u.e.ivor_high[5]; + kvm_sync_excp(env, POWERPC_EXCP_DOORCI, SPR_BOOKE_IVOR37); } } @@ -1244,6 +1309,259 @@ static int kvmppc_handle_dcr_write(CPUPPCState *env, uint32_t dcrn, uint32_t dat return 0; } +int kvm_arch_insert_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) +{ + /* Mixed endian case is not handled */ + uint32_t sc = debug_inst_opcode; + + if (cpu_memory_rw_debug(cs, bp->pc, (uint8_t *)&bp->saved_insn, + sizeof(sc), 0) || + cpu_memory_rw_debug(cs, bp->pc, (uint8_t *)&sc, sizeof(sc), 1)) { + return -EINVAL; + } + + return 0; +} + +int kvm_arch_remove_sw_breakpoint(CPUState *cs, struct kvm_sw_breakpoint *bp) +{ + uint32_t sc; + + if (cpu_memory_rw_debug(cs, bp->pc, (uint8_t *)&sc, sizeof(sc), 0) || + sc != debug_inst_opcode || + cpu_memory_rw_debug(cs, bp->pc, (uint8_t *)&bp->saved_insn, + sizeof(sc), 1)) { + return -EINVAL; + } + + return 0; +} + +static int find_hw_breakpoint(target_ulong addr, int type) +{ + int n; + + assert((nb_hw_breakpoint + nb_hw_watchpoint) + <= ARRAY_SIZE(hw_debug_points)); + + for (n = 0; n < nb_hw_breakpoint + nb_hw_watchpoint; n++) { + if (hw_debug_points[n].addr == addr && + hw_debug_points[n].type == type) { + return n; + } + } + + return -1; +} + +static int find_hw_watchpoint(target_ulong addr, int *flag) +{ + int n; + + n = find_hw_breakpoint(addr, GDB_WATCHPOINT_ACCESS); + if (n >= 0) { + *flag = BP_MEM_ACCESS; + return n; + } + + n = find_hw_breakpoint(addr, GDB_WATCHPOINT_WRITE); + if (n >= 0) { + *flag = BP_MEM_WRITE; + return n; + } + + n = find_hw_breakpoint(addr, GDB_WATCHPOINT_READ); + if (n >= 0) { + *flag = BP_MEM_READ; + return n; + } + + return -1; +} + +int kvm_arch_insert_hw_breakpoint(target_ulong addr, + target_ulong len, int type) +{ + if ((nb_hw_breakpoint + nb_hw_watchpoint) >= ARRAY_SIZE(hw_debug_points)) { + return -ENOBUFS; + } + + hw_debug_points[nb_hw_breakpoint + nb_hw_watchpoint].addr = addr; + hw_debug_points[nb_hw_breakpoint + nb_hw_watchpoint].type = type; + + switch (type) { + case GDB_BREAKPOINT_HW: + if (nb_hw_breakpoint >= max_hw_breakpoint) { + return -ENOBUFS; + } + + if (find_hw_breakpoint(addr, type) >= 0) { + return -EEXIST; + } + + nb_hw_breakpoint++; + break; + + case GDB_WATCHPOINT_WRITE: + case GDB_WATCHPOINT_READ: + case GDB_WATCHPOINT_ACCESS: + if (nb_hw_watchpoint >= max_hw_watchpoint) { + return -ENOBUFS; + } + + if (find_hw_breakpoint(addr, type) >= 0) { + return -EEXIST; + } + + nb_hw_watchpoint++; + break; + + default: + return -ENOSYS; + } + + return 0; +} + +int kvm_arch_remove_hw_breakpoint(target_ulong addr, + target_ulong len, int type) +{ + int n; + + n = find_hw_breakpoint(addr, type); + if (n < 0) { + return -ENOENT; + } + + switch (type) { + case GDB_BREAKPOINT_HW: + nb_hw_breakpoint--; + break; + + case GDB_WATCHPOINT_WRITE: + case GDB_WATCHPOINT_READ: + case GDB_WATCHPOINT_ACCESS: + nb_hw_watchpoint--; + break; + + default: + return -ENOSYS; + } + hw_debug_points[n] = hw_debug_points[nb_hw_breakpoint + nb_hw_watchpoint]; + + return 0; +} + +void kvm_arch_remove_all_hw_breakpoints(void) +{ + nb_hw_breakpoint = nb_hw_watchpoint = 0; +} + +void kvm_arch_update_guest_debug(CPUState *cs, struct kvm_guest_debug *dbg) +{ + int n; + + /* Software Breakpoint updates */ + if (kvm_sw_breakpoints_active(cs)) { + dbg->control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP; + } + + assert((nb_hw_breakpoint + nb_hw_watchpoint) + <= ARRAY_SIZE(hw_debug_points)); + assert((nb_hw_breakpoint + nb_hw_watchpoint) <= ARRAY_SIZE(dbg->arch.bp)); + + if (nb_hw_breakpoint + nb_hw_watchpoint > 0) { + dbg->control |= KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_HW_BP; + memset(dbg->arch.bp, 0, sizeof(dbg->arch.bp)); + for (n = 0; n < nb_hw_breakpoint + nb_hw_watchpoint; n++) { + switch (hw_debug_points[n].type) { + case GDB_BREAKPOINT_HW: + dbg->arch.bp[n].type = KVMPPC_DEBUG_BREAKPOINT; + break; + case GDB_WATCHPOINT_WRITE: + dbg->arch.bp[n].type = KVMPPC_DEBUG_WATCH_WRITE; + break; + case GDB_WATCHPOINT_READ: + dbg->arch.bp[n].type = KVMPPC_DEBUG_WATCH_READ; + break; + case GDB_WATCHPOINT_ACCESS: + dbg->arch.bp[n].type = KVMPPC_DEBUG_WATCH_WRITE | + KVMPPC_DEBUG_WATCH_READ; + break; + default: + cpu_abort(cs, "Unsupported breakpoint type\n"); + } + dbg->arch.bp[n].addr = hw_debug_points[n].addr; + } + } +} + +static int kvm_handle_debug(PowerPCCPU *cpu, struct kvm_run *run) +{ + CPUState *cs = CPU(cpu); + CPUPPCState *env = &cpu->env; + struct kvm_debug_exit_arch *arch_info = &run->debug.arch; + int handle = 0; + int n; + int flag = 0; + + if (cs->singlestep_enabled) { + handle = 1; + } else if (arch_info->status) { + if (nb_hw_breakpoint + nb_hw_watchpoint > 0) { + if (arch_info->status & KVMPPC_DEBUG_BREAKPOINT) { + n = find_hw_breakpoint(arch_info->address, GDB_BREAKPOINT_HW); + if (n >= 0) { + handle = 1; + } + } else if (arch_info->status & (KVMPPC_DEBUG_WATCH_READ | + KVMPPC_DEBUG_WATCH_WRITE)) { + n = find_hw_watchpoint(arch_info->address, &flag); + if (n >= 0) { + handle = 1; + cs->watchpoint_hit = &hw_watchpoint; + hw_watchpoint.vaddr = hw_debug_points[n].addr; + hw_watchpoint.flags = flag; + } + } + } + } else if (kvm_find_sw_breakpoint(cs, arch_info->address)) { + handle = 1; + } else { + /* QEMU is not able to handle debug exception, so inject + * program exception to guest; + * Yes program exception NOT debug exception !! + * When QEMU is using debug resources then debug exception must + * be always set. To achieve this we set MSR_DE and also set + * MSRP_DEP so guest cannot change MSR_DE. + * When emulating debug resource for guest we want guest + * to control MSR_DE (enable/disable debug interrupt on need). + * Supporting both configurations are NOT possible. + * So the result is that we cannot share debug resources + * between QEMU and Guest on BOOKE architecture. + * In the current design QEMU gets the priority over guest, + * this means that if QEMU is using debug resources then guest + * cannot use them; + * For software breakpoint QEMU uses a privileged instruction; + * So there cannot be any reason that we are here for guest + * set debug exception, only possibility is guest executed a + * privileged / illegal instruction and that's why we are + * injecting a program interrupt. + */ + + cpu_synchronize_state(cs); + /* env->nip is PC, so increment this by 4 to use + * ppc_cpu_do_interrupt(), which set srr0 = env->nip - 4. + */ + env->nip += 4; + cs->exception_index = POWERPC_EXCP_PROGRAM; + env->error_code = POWERPC_EXCP_INVAL; + ppc_cpu_do_interrupt(cs); + } + + return handle; +} + int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) { PowerPCCPU *cpu = POWERPC_CPU(cs); @@ -1284,6 +1602,16 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run) ret = 0; break; + case KVM_EXIT_DEBUG: + DPRINTF("handle debug exception\n"); + if (kvm_handle_debug(cpu, run)) { + ret = EXCP_DEBUG; + break; + } + /* re-enter, this exception was guest-internal */ + ret = 0; + break; + default: fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason); ret = -1; @@ -1369,7 +1697,7 @@ static int read_cpuinfo(const char *field, char *value, int len) } do { - if(!fgets(line, sizeof(line), f)) { + if (!fgets(line, sizeof(line), f)) { break; } if (!strncmp(line, field, field_len)) { @@ -1404,6 +1732,17 @@ uint32_t kvmppc_get_tbfreq(void) return retval; } +bool kvmppc_get_host_serial(char **value) +{ + return g_file_get_contents("/proc/device-tree/system-id", value, NULL, + NULL); +} + +bool kvmppc_get_host_model(char **value) +{ + return g_file_get_contents("/proc/device-tree/model", value, NULL, NULL); +} + /* Try to find a device tree node for a CPU with clock-frequency property */ static int kvmppc_find_cpu_dt(char *buf, int buf_len) { @@ -1496,7 +1835,7 @@ static int kvmppc_get_pvinfo(CPUPPCState *env, struct kvm_ppc_pvinfo *pvinfo) PowerPCCPU *cpu = ppc_env_get_cpu(env); CPUState *cs = CPU(cpu); - if (kvm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_PVINFO) && + if (kvm_vm_check_extension(cs->kvm_state, KVM_CAP_PPC_GET_PVINFO) && !kvm_vm_ioctl(cs->kvm_state, KVM_PPC_GET_PVINFO, pvinfo)) { return 0; } @@ -1965,34 +2304,6 @@ void kvm_arch_init_irq_routing(KVMState *s) { } -int kvm_arch_insert_sw_breakpoint(CPUState *cpu, struct kvm_sw_breakpoint *bp) -{ - return -EINVAL; -} - -int kvm_arch_remove_sw_breakpoint(CPUState *cpu, struct kvm_sw_breakpoint *bp) -{ - return -EINVAL; -} - -int kvm_arch_insert_hw_breakpoint(target_ulong addr, target_ulong len, int type) -{ - return -EINVAL; -} - -int kvm_arch_remove_hw_breakpoint(target_ulong addr, target_ulong len, int type) -{ - return -EINVAL; -} - -void kvm_arch_remove_all_hw_breakpoints(void) -{ -} - -void kvm_arch_update_guest_debug(CPUState *cpu, struct kvm_guest_debug *dbg) -{ -} - struct kvm_get_htab_buf { struct kvm_get_htab_header header; /* diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h index d9516e73ef..2e0224c6af 100644 --- a/target-ppc/kvm_ppc.h +++ b/target-ppc/kvm_ppc.h @@ -19,6 +19,8 @@ uint32_t kvmppc_get_tbfreq(void); uint64_t kvmppc_get_clockfreq(void); uint32_t kvmppc_get_vmx(void); uint32_t kvmppc_get_dfp(void); +bool kvmppc_get_host_model(char **buf); +bool kvmppc_get_host_serial(char **buf); int kvmppc_get_hasidle(CPUPPCState *env); int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len); int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level); @@ -60,6 +62,16 @@ static inline uint32_t kvmppc_get_tbfreq(void) return 0; } +static inline bool kvmppc_get_host_model(char **buf) +{ + return false; +} + +static inline bool kvmppc_get_host_serial(char **buf) +{ + return false; +} + static inline uint64_t kvmppc_get_clockfreq(void) { return 0; diff --git a/target-ppc/translate.c b/target-ppc/translate.c index c07bb01a7a..d03daeaa48 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1128,9 +1128,19 @@ static void gen_mulhwu(DisasContext *ctx) /* mullw mullw. */ static void gen_mullw(DisasContext *ctx) { - tcg_gen_mul_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], - cpu_gpr[rB(ctx->opcode)]); - tcg_gen_ext32s_tl(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rD(ctx->opcode)]); +#if defined(TARGET_PPC64) + TCGv_i64 t0, t1; + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + tcg_gen_ext32s_tl(t0, cpu_gpr[rA(ctx->opcode)]); + tcg_gen_ext32s_tl(t1, cpu_gpr[rB(ctx->opcode)]); + tcg_gen_mul_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); + tcg_temp_free(t0); + tcg_temp_free(t1); +#else + tcg_gen_mul_i32(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rB(ctx->opcode)]); +#endif if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } @@ -1144,7 +1154,11 @@ static void gen_mullwo(DisasContext *ctx) tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); tcg_gen_muls2_i32(t0, t1, t0, t1); - tcg_gen_ext_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); +#if defined(TARGET_PPC64) + tcg_gen_concat_i32_i64(cpu_gpr[rD(ctx->opcode)], t0, t1); +#else + tcg_gen_mov_i32(cpu_gpr[rD(ctx->opcode)], t0); +#endif tcg_gen_sari_i32(t0, t0, 31); tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); @@ -1201,8 +1215,20 @@ static void gen_mulld(DisasContext *ctx) /* mulldo mulldo. */ static void gen_mulldo(DisasContext *ctx) { - gen_helper_mulldo(cpu_gpr[rD(ctx->opcode)], cpu_env, - cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + + tcg_gen_muls2_i64(t0, t1, cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rB(ctx->opcode)]); + tcg_gen_mov_i64(cpu_gpr[rD(ctx->opcode)], t0); + + tcg_gen_sari_i64(t0, t0, 63); + tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); + tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + if (unlikely(Rc(ctx->opcode) != 0)) { gen_set_Rc0(ctx, cpu_gpr[rD(ctx->opcode)]); } @@ -1616,18 +1642,17 @@ static void gen_rlwimi(DisasContext *ctx) mb = MB(ctx->opcode); me = ME(ctx->opcode); sh = SH(ctx->opcode); - if (likely(sh == 0 && mb == 0 && me == 31)) { - tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (likely(sh == (31-me) && mb <= me)) { + tcg_gen_deposit_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], sh, me - mb + 1); } else { target_ulong mask; TCGv t1; TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) - TCGv_i32 t2 = tcg_temp_new_i32(); - tcg_gen_trunc_i64_i32(t2, cpu_gpr[rS(ctx->opcode)]); - tcg_gen_rotli_i32(t2, t2, sh); - tcg_gen_extu_i32_i64(t0, t2); - tcg_temp_free_i32(t2); + tcg_gen_deposit_i64(t0, cpu_gpr[rS(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], 32, 32); + tcg_gen_rotli_i64(t0, t0, sh); #else tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh); #endif @@ -1672,14 +1697,18 @@ static void gen_rlwinm(DisasContext *ctx) tcg_gen_shri_tl(t0, t0, mb); tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], t0); tcg_temp_free(t0); + } else if (likely(mb == 0 && me == 31)) { + TCGv_i32 t0 = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(t0, cpu_gpr[rS(ctx->opcode)]); + tcg_gen_rotli_i32(t0, t0, sh); + tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t0); + tcg_temp_free_i32(t0); } else { TCGv t0 = tcg_temp_new(); #if defined(TARGET_PPC64) - TCGv_i32 t1 = tcg_temp_new_i32(); - tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]); - tcg_gen_rotli_i32(t1, t1, sh); - tcg_gen_extu_i32_i64(t0, t1); - tcg_temp_free_i32(t1); + tcg_gen_deposit_i64(t0, cpu_gpr[rS(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], 32, 32); + tcg_gen_rotli_i64(t0, t0, sh); #else tcg_gen_rotli_i32(t0, cpu_gpr[rS(ctx->opcode)], sh); #endif @@ -1698,37 +1727,49 @@ static void gen_rlwinm(DisasContext *ctx) static void gen_rlwnm(DisasContext *ctx) { uint32_t mb, me; - TCGv t0; + mb = MB(ctx->opcode); + me = ME(ctx->opcode); + + if (likely(mb == 0 && me == 31)) { + TCGv_i32 t0, t1; + t0 = tcg_temp_new_i32(); + t1 = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(t0, cpu_gpr[rB(ctx->opcode)]); + tcg_gen_trunc_tl_i32(t1, cpu_gpr[rS(ctx->opcode)]); + tcg_gen_andi_i32(t0, t0, 0x1f); + tcg_gen_rotl_i32(t1, t1, t0); + tcg_gen_extu_i32_tl(cpu_gpr[rA(ctx->opcode)], t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } else { + TCGv t0; #if defined(TARGET_PPC64) - TCGv_i32 t1, t2; + TCGv t1; #endif - mb = MB(ctx->opcode); - me = ME(ctx->opcode); - t0 = tcg_temp_new(); - tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f); + t0 = tcg_temp_new(); + tcg_gen_andi_tl(t0, cpu_gpr[rB(ctx->opcode)], 0x1f); #if defined(TARGET_PPC64) - t1 = tcg_temp_new_i32(); - t2 = tcg_temp_new_i32(); - tcg_gen_trunc_i64_i32(t1, cpu_gpr[rS(ctx->opcode)]); - tcg_gen_trunc_i64_i32(t2, t0); - tcg_gen_rotl_i32(t1, t1, t2); - tcg_gen_extu_i32_i64(t0, t1); - tcg_temp_free_i32(t1); - tcg_temp_free_i32(t2); + t1 = tcg_temp_new_i64(); + tcg_gen_deposit_i64(t1, cpu_gpr[rS(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], 32, 32); + tcg_gen_rotl_i64(t0, t1, t0); + tcg_temp_free_i64(t1); #else - tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0); + tcg_gen_rotl_i32(t0, cpu_gpr[rS(ctx->opcode)], t0); #endif - if (unlikely(mb != 0 || me != 31)) { + if (unlikely(mb != 0 || me != 31)) { #if defined(TARGET_PPC64) - mb += 32; - me += 32; + mb += 32; + me += 32; #endif - tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); - } else { - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); + tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], t0, MASK(mb, me)); + } else { + tcg_gen_andi_tl(t0, t0, MASK(32, 63)); + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], t0); + } + tcg_temp_free(t0); } - tcg_temp_free(t0); if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } @@ -1924,7 +1965,7 @@ static void gen_srawi(DisasContext *ctx) TCGv dst = cpu_gpr[rA(ctx->opcode)]; TCGv src = cpu_gpr[rS(ctx->opcode)]; if (sh == 0) { - tcg_gen_mov_tl(dst, src); + tcg_gen_ext32s_tl(dst, src); tcg_gen_movi_tl(cpu_ca, 0); } else { TCGv t0; |